Bump in the Night

Target opponent loses 3 life.
Flashback {5}{R} (You may cast this card from your graveyard for its flashback cost. Then exile it.)

Blackmail

Target player reveals three cards from their hand and you choose one of them. That player discards that card.

Target player draws two cards and loses 2 life.

{T}: Add {C}.
{T}: Add {W} or {B}. Caves of Koilos deals 1 damage to you.

Flying
At the beginning of your upkeep, each opponent loses 1 life and you gain 1 life.

Target player discards two cards unless they discard an artifact card.

Target creature gets +4/+4 until end of turn.

Magecraft — Whenever you cast or copy an instant or sorcery spell, target creature gets +1/+0 until end of turn.

Deathcap Glade enters tapped unless you control two or more other lands.
{T}: Add {B} or {G}.

Magecraft — Whenever you cast or copy an instant or sorcery spell, each opponent loses 1 life and you gain 1 life.

Exile target creature. Its controller may search their library for a basic land card, put that card onto the battlefield tapped, then shuffle.

{T}: Add {C}.
{T}: Add {G} or {W}. Brushland deals 1 damage to you.

Flying, first strike, lifelink, protection from Demons and from Dragons

Search your library for a land card, reveal it, put it into your hand, then shuffle.

Target opponent reveals their hand. You choose a noncreature, nonland card from it. That player discards that card.